import type { CommandReply, Engine } from '../types.ts';
/** Error messages always start with "ERR ", so `if (parsed.error)` narrows to the success shape. */
type HashFieldsResult = {
    error: `ERR ${string}`;
} | {
    error?: undefined;
    fields: Buffer[];
};
export declare function commandError(error: unknown): {
    error: string;
};
export declare function parseHashFields(args: Buffer[], startIndex: number): HashFieldsResult;
export declare function handleHashExpire(engine: Engine, args: Buffer[], { command, absolute, milliseconds }: {
    command: string;
    absolute: boolean;
    milliseconds: boolean;
}): CommandReply;
export {};